-- Robert Preidt
FRIDAY, May 20 (HealthDay News) -- Treating chronic lower back
pain can reverse pain-related changes in brain activity and
function, according to a new study.
Prior research has shown that people with chronic pain may
experience cognitive problems and reduced gray matter in brain
areas that play a role in pain processing and the emotional aspects
of pain, such as anxiety and depression. But it wasn't clear if
treating chronic pain could reverse those brain changes.
This study included patients who had lower back pain for more
than six months and underwent either spinal injections or spinal
surgery to treat the pain. MRI scans of the patients' brains were
conducted before and six months after their procedures.
"When they came back in, we wanted to know whether their pain had lessened and whether their daily lives had improved. We wanted to see if any of the pain-related abnormalities found initially in the brain had at least slowed down or been partially reversed," study senior author Laura S. Stone, of the Alan Edwards Center for Research on Pain at McGill University in Montreal, said in a university news release.
Brain activity and function did show signs of recovery in the
patients after treatment, the researchers found.
The study was published May 17 in the
Journal of Neuroscience.
"If you can make the pain go away with effective treatment, you can reverse these abnormal changes in the brain," she said.
The U.S. National Institute of Neurological Disorders and Stroke
has more about
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